Students explore Huntington's Disease. In this biology lesson, students read My Friend Linda and examine the ethical issues brought to light in the story. Students discuss biotechnology issues and genetic testing.

Middle and high schoolers research the life of Pythagoras and the Pythagorean theorem. They write a short biography of Pythagoras and learn to apply the theorem in their study of right triangles.

Third graders complete various activities about clouds. They create a cloud in a lab, write a cloud story, make a cloud model and complete a webquest.